Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Cascade control Rheostat control Combination of cascade and pole changing Pole changing Cascade control Rheostat control Combination of cascade and pole changing Pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For which of the following locomotives the maintenance requirements are the least? Steam locomotives Electric locomotives All of the listed here Diesel locomotives Steam locomotives Electric locomotives All of the listed here Diesel locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The resistance encountered by a train in motion is on account of Resistance offered by air Friction at various parts of the rolling stock Friction at the track All of the listed here Resistance offered by air Friction at various parts of the rolling stock Friction at the track All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Electric locomotives in India are manufactured at Jamalpur Bangalore Chittaranjan Gorakhpur Jamalpur Bangalore Chittaranjan Gorakhpur ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Automatic signalling is used for which of the following trains ? Suburban and Urban electric trains Mail and express trains All of the listed here Superfast trains Suburban and Urban electric trains Mail and express trains All of the listed here Superfast trains ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In a steam locomotive electric power is provided through Battery system Diesel engine generator Overhead wire Small turbo-generator Battery system Diesel engine generator Overhead wire Small turbo-generator ANSWER DOWNLOAD EXAMIANS APP